OpenTechnical

OT-2026-000026328

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000026328) never changes.

Identity and time

Publication numberOT-2026-000026328 · never reused
Internal UUID01a0ae71-f4a6-703e-ae8f-a24e8ba542e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026328
StatusPUBLIC

Content hashes

Canonical text0bd4e2ac2827a8fdfdcb5257a0445ab4c7101dc249dd5349c859cdff83ff8606
Markdown756e6ae02cde9ef35fb2c3fd10abf3a2e15ebfbcd4b823d7f3e5b0b4544c303d
PDF
Publication page80abc056a15df4f057f6e14b563f8bf15d326f4a932f9d10b53d22e358259eb5
Manifest0f32fca290ee957bef48c4f389081e7442de311336eadfc9a7530e7fa6f7b91e

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturePAxxl8osCjdyCsvmV7DuvpPjhx4ikT9ghQe1Y5Fh+G4z+HRSHbSUxE4AC3Ykw0xl/Tn+LzGGqqpzhtxj0DzXDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:44:17.384529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026328
observed 80abc056a15df4f057f6e14b563f8bf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:17.368045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026328/manifest.json
observed 0f32fca290ee957bef48c4f389081e74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:17.351366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026328/publication.md
observed 756e6ae02cde9ef35fb2c3fd10abf3a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:17.327971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026328/publication.txt
observed 0bd4e2ac2827a8fdfdcb5257a0445ab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.